1 5U9 ~{N}-(4-ethanoyl-1,3-thiazol-2-yl)azetidin-1-ium-3-carboxamide 1.000 2 BQH (2~{S})-~{N}-(4-ethanoyl-1,3-thiazol-2-yl)piperazine-2-carboxamide 0.778